Solvation of copper( ii ), zinc( ii ) and lead( ii ) in monoethanolamine solutions attained via leaching of microwave-assisted-roasted sulfidic tailings

Q: What does this research mean for the field?

Copper, zinc, and lead from sulfidic tailings can be leached into monoethanolamine (MEA)-based solutions following microwave-assisted roasting, with their dissolution behavior in MEA-water systems supported by density functional theory calculations. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Nor Kamariah; Sai Manoj Gali; Koen Binnemans; Jeroen Spooren

doi:10.1039/d6ra00733c

January 1, 2026RSC AdvancesOpen Access

Solvation of copper( ii ), zinc( ii ) and lead( ii ) in monoethanolamine solutions attained via leaching of microwave-assisted-roasted sulfidic tailings

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Key Points

This research investigates the solvation properties of copper, zinc, and lead in monoethanolamine solutions after microwave-assisted treatment.
Microwave-assisted roasting was applied to sulfidic tailings.
Leaching experiments utilized monoethanolamine-based solutions for metal extraction.
Density functional theory (DFT) calculations were performed to analyze metal salt dissolution behavior.
Copper, zinc, and lead were successfully leached from sulfidic tailings using monoethanolamine solutions.
DFT calculations supported the observed trends in metal solvation and dissolution.
The study offers insights for improved metal recovery methods using microwave-assisted processes.

Implication

Demonstrates solvation behavior of metals in monoethanolamine solutions, indicating potential leaching applications.

Abstract

Microwave-assisted roasting of sulfidic tailings was followed by leaching of Cu, Zn, and Pb in monoethanolamine (MEA)-based solutions. The observed metal salt dissolution behavior in MEA–water systems was corroborated by DFT calculations.

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Cite This Study

Kamariah et al. (2026) studied this question.

synapsesocial.com/papers/69edac9b4a46254e215b4443 https://doi.org/10.1039/d6ra00733c

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Solvation of copper( ii ), zinc( ii ) and lead( ii ) in monoethanolamine solutions attained via leaching of microwave-assisted-roasted sulfidic tailings

Key Points

Implication

Abstract

Discussion

Cite This Study

Solvation of copper( ii ), zinc( ii ) and lead( ii ) in monoethanolamine solutions attained via leaching of microwave-assisted-roasted sulfidic tailings

Key Points

Implication

Abstract

Discussion

Cite This Study

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